Rainbow Days (Series)

Keiichi Katakura

Keiichi Katakura is one of the four male protagonists in Nijiiro Days.

Nobunaga Shimazaki

Anna Kobayakawa

Anna is a senior member of the Hagoromo airship crew, known for her headstrong and determined nature.

Minami Tsuda

Mari Tsutsui

Mari Tsutsui is a high school student known for her initially harsh and distrustful personality.

Yumi Uchiyama

Tsuyoshi Naoe

Tsuyoshi Naoe is a stoic and unpredictable high school student known for his love of anime, manga, and games.

Kouki Uchiyama

Tomoya Matsunaga

Kikumaro Takano is a male elementary school student from Japan who attends Nanamagari Elementary.

Takuya Eguchi

Natsuki Hashiba

Natsuko Shibuya is a 28-year-old Japanese woman who plays a supporting role in the story.

Yoshitsugu Matsuoka

Yukiko Asai

Yuriko Asai is the leader of the Lilies, a trio of wealthy and popular girls at Eitoku Academy.

Shizuka Ishigami

Nozomi Matsunaga

Nozomi Matsunaga is a kind and caring high school student known for her magenta hair and teal eyes.

Ai Kayano

Kakei

Kakei is a supporting character in the Nanbaka Web Manga.

Wataru Urata

Chiba

Chisa Sasuga, also known as Chiba, is a character featured in both anime and game media.

Masaomi Tsutsui

Masaomi Tsutsui is a 25-year-old man and the older brother of Mari Tsutsui.

Kappei Yamaguchi

Imagawa

Imagawa is a minor character in Nijiiro Days, a student at Wonbai University.

Tomokazu Sugita

Ishida

Ishida is a major character in the manga and OVA series One-Pound Gospel.

Shinsuke Nezu

Shinsuke Nezu is a student at Seiryou High School, a member of the basketball club, and classmates with Taizo Sanada.

Yusuke Ohta

Taizo Sanada

Taizo Sanada is a friendly and athletic student at Seiryou High School, serving as the captain of the basketball club.

Shinya Hamazoe